8-425mm Green, Polypropylene Large Open Hole Cap with Flange 5310-08G

Screw Thread Closures, 8-425 mm Cap Size Available in a wide assortment of colors. Designed for use with all autosamplers. The Top Seal™closure with a 10mil molded septa allows for easy needle penetration and is inert to most solvents. The one piece design saves time by eliminating the process of assembling liners in the closures.